1{2 "record_id": "4c31e259cf5625db8bd0cbbcae78c68fed2c8164",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6 "title": "Text-augmented house valuation: using embedding vectors and SHAP values",7 "year": 2026,8 "doi": "10.36253/aestim-19824",9 "country": "South Korea",10 "region_city": "Seongdong-gu (Seoul) and Gangjin-gun (Jeonnam Province)",11 "sample_start": 2024,12 "sample_end": 2024,13 "property_type": "single_family",14 "price_type": "appraisal",15 "data_source": "MOLIT benchmark (standard) house survey 2024: appraised prices and characteristics of 1,670 benchmark houses (763 Seongdong-gu, 907 Gangjin-gun), incl. textual environmental descriptions",16 "document_type": "journal",17 "estimators": [18 "OLS"19 ],20 "spatial_method": "none",21 "time_fe": false,22 "location_fe": false,23 "se_type": "unknown",24 "n_obs_total": 1670,25 "ai_methods": [26 "sentence embeddings (paraphrase-mpnet-base-v2, SBERT)",27 "PCA of embeddings",28 "XGBoost",29 "SHAP"30 ],31 "notes": "Aestimum just-accepted manuscript. Dependent variable: log appraised price (million KRW). Table A1 (appendix, p.14) gives full OLS coefficients for 4 models (2 regions x with/without text embeddings); only significance at 5% marked by '*', '+' marks non-significant, no SEs. Benchmark houses are mostly detached/attached single houses (not apartments). XGB with SHAP used for interpretation (no coefficients)."32 },33 "models": [34 {35 "model_id": "TA1-c1",36 "table": "A1",37 "column": "1",38 "page": 14,39 "dep_var": "log-transformed appraised benchmark house price (million KRW)",40 "dep_transform": "log",41 "estimator": "OLS",42 "n_obs": 763,43 "r2": 0.508,44 "se_or_t_in_parentheses": "none",45 "sample_subset": "Seongdong-gu (Seoul, urban); n=763 benchmark houses in region (80/20 train/test split; estimation sample not stated); baseline OLS without text embeddings; adjusted R2; '*' = significant at 5%, '+' = not significant; no SE/t printed; n_obs recorded is the regional sample size, model may be fit on 80% training subset"46 },47 {48 "model_id": "TA1-c2",49 "table": "A1",50 "column": "2",51 "page": 14,52 "dep_var": "log-transformed appraised benchmark house price (million KRW)",53 "dep_transform": "log",54 "estimator": "OLS",55 "n_obs": 763,56 "r2": 0.558,57 "se_or_t_in_parentheses": "none",58 "sample_subset": "Seongdong-gu (Seoul, urban); n=763 in region; OLS with two PCA components of sentence embeddings (paraphrase-mpnet-base-v2) of environmental descriptions; adjusted R2; '*' = significant at 5%, '+' = not significant; no SE/t printed; n_obs recorded is the regional sample size, model may be fit on 80% training subset"59 },60 {61 "model_id": "TA1-c3",62 "table": "A1",63 "column": "3",64 "page": 14,65 "dep_var": "log-transformed appraised benchmark house price (million KRW)",66 "dep_transform": "log",67 "estimator": "OLS",68 "n_obs": 907,69 "r2": 0.633,70 "se_or_t_in_parentheses": "none",71 "sample_subset": "Gangjin-gun (Jeonnam, rural); n=907 in region; baseline OLS without text embeddings; adjusted R2; '*' = significant at 5%, '+' = not significant; no SE/t printed; n_obs recorded is the regional sample size, model may be fit on 80% training subset"72 },73 {74 "model_id": "TA1-c4",75 "table": "A1",76 "column": "4",77 "page": 14,78 "dep_var": "log-transformed appraised benchmark house price (million KRW)",79 "dep_transform": "log",80 "estimator": "OLS",81 "n_obs": 907,82 "r2": 0.751,83 "se_or_t_in_parentheses": "none",84 "sample_subset": "Gangjin-gun (Jeonnam, rural); n=907 in region; OLS with two embedding components; adjusted R2; '*' = significant at 5%, '+' = not significant; no SE/t printed; n_obs recorded is the regional sample size, model may be fit on 80% training subset"85 }86 ],87 "coefficients": [88 {89 "model_id": "TA1-c3",90 "var_name_printed": "House type: rowhouse",91 "taxonomy_id": "dwelling_type",92 "x_transform": "binary",93 "x_unit": "binary",94 "beta": 0.381,95 "se": null,96 "t": null,97 "p": null,98 "p_stars": "",99 "ci_lo": null,100 "ci_hi": null,101 "page": 14,102 "confidence": "medium",103 "notes": "House type dummy (base category not stated); '+' = not significant at 5%; no SE reported"104 },105 {106 "model_id": "TA1-c4",107 "var_name_printed": "House type: rowhouse",108 "taxonomy_id": "dwelling_type",109 "x_transform": "binary",110 "x_unit": "binary",111 "beta": 0.455,112 "se": null,113 "t": null,114 "p": null,115 "p_stars": "",116 "ci_lo": null,117 "ci_hi": null,118 "page": 14,119 "confidence": "medium",120 "notes": "House type dummy (base category not stated); '+' = not significant at 5%; no SE reported"121 },122 {123 "model_id": "TA1-c1",124 "var_name_printed": "House type: attached",125 "taxonomy_id": "dwelling_type",126 "x_transform": "binary",127 "x_unit": "binary",128 "beta": -0.082,129 "se": null,130 "t": null,131 "p": null,132 "p_stars": "",133 "ci_lo": null,134 "ci_hi": null,135 "page": 14,136 "confidence": "medium",137 "notes": "House type dummy; '+' = not significant at 5%; no SE reported"138 },139 {140 "model_id": "TA1-c2",141 "var_name_printed": "House type: attached",142 "taxonomy_id": "dwelling_type",143 "x_transform": "binary",144 "x_unit": "binary",145 "beta": -0.01,146 "se": null,147 "t": null,148 "p": null,149 "p_stars": "",150 "ci_lo": null,151 "ci_hi": null,152 "page": 14,153 "confidence": "medium",154 "notes": "House type dummy; '+' = not significant at 5%; no SE reported"155 },156 {157 "model_id": "TA1-c1",158 "var_name_printed": "House type: detached",159 "taxonomy_id": "dwelling_type",160 "x_transform": "binary",161 "x_unit": "binary",162 "beta": 0.01,163 "se": null,164 "t": null,165 "p": null,166 "p_stars": "",167 "ci_lo": null,168 "ci_hi": null,169 "page": 14,170 "confidence": "medium",171 "notes": "House type dummy; '+' = not significant at 5%; no SE reported"172 },173 {174 "model_id": "TA1-c2",175 "var_name_printed": "House type: detached",176 "taxonomy_id": "dwelling_type",177 "x_transform": "binary",178 "x_unit": "binary",179 "beta": 0.018,180 "se": null,181 "t": null,182 "p": null,183 "p_stars": "",184 "ci_lo": null,185 "ci_hi": null,186 "page": 14,187 "confidence": "medium",188 "notes": "House type dummy; '+' = not significant at 5%; no SE reported"189 },190 {191 "model_id": "TA1-c3",192 "var_name_printed": "House type: detached",193 "taxonomy_id": "dwelling_type",194 "x_transform": "binary",195 "x_unit": "binary",196 "beta": 0.306,197 "se": null,198 "t": null,199 "p": null,200 "p_stars": "",201 "ci_lo": null,202 "ci_hi": null,203 "page": 14,204 "confidence": "medium",205 "notes": "House type dummy; '+' = not significant at 5%; no SE reported"206 },207 {208 "model_id": "TA1-c4",209 "var_name_printed": "House type: detached",210 "taxonomy_id": "dwelling_type",211 "x_transform": "binary",212 "x_unit": "binary",213 "beta": 0.264,214 "se": null,215 "t": null,216 "p": null,217 "p_stars": "",218 "ci_lo": null,219 "ci_hi": null,220 "page": 14,221 "confidence": "medium",222 "notes": "House type dummy; '+' = not significant at 5%; no SE reported"223 },224 {225 "model_id": "TA1-c1",226 "var_name_printed": "House type: mixed type",227 "taxonomy_id": "dwelling_type",228 "x_transform": "binary",229 "x_unit": "binary",230 "beta": -0.468,231 "se": null,232 "t": null,233 "p": null,234 "p_stars": "*",235 "ci_lo": null,236 "ci_hi": null,237 "page": 14,238 "confidence": "medium",239 "notes": "House type dummy (mixed residential/commercial use); * significant at 5% level; no SE reported"240 },241 {242 "model_id": "TA1-c2",243 "var_name_printed": "House type: mixed type",244 "taxonomy_id": "dwelling_type",245 "x_transform": "binary",246 "x_unit": "binary",247 "beta": -0.553,248 "se": null,249 "t": null,250 "p": null,251 "p_stars": "*",252 "ci_lo": null,253 "ci_hi": null,254 "page": 14,255 "confidence": "medium",256 "notes": "House type dummy (mixed residential/commercial use); * significant at 5% level; no SE reported"257 },258 {259 "model_id": "TA1-c3",260 "var_name_printed": "House type: mixed type",261 "taxonomy_id": "dwelling_type",262 "x_transform": "binary",263 "x_unit": "binary",264 "beta": -0.414,265 "se": null,266 "t": null,267 "p": null,268 "p_stars": "",269 "ci_lo": null,270 "ci_hi": null,271 "page": 14,272 "confidence": "medium",273 "notes": "House type dummy (mixed residential/commercial use); '+' = not significant at 5%; no SE reported"274 },275 {276 "model_id": "TA1-c4",277 "var_name_printed": "House type: mixed type",278 "taxonomy_id": "dwelling_type",279 "x_transform": "binary",280 "x_unit": "binary",281 "beta": -0.623,282 "se": null,283 "t": null,284 "p": null,285 "p_stars": "*",286 "ci_lo": null,287 "ci_hi": null,288 "page": 14,289 "confidence": "medium",290 "notes": "House type dummy (mixed residential/commercial use); * significant at 5% level; no SE reported"291 },292 {293 "model_id": "TA1-c1",294 "var_name_printed": "House type: other",295 "taxonomy_id": "dwelling_type",296 "x_transform": "binary",297 "x_unit": "binary",298 "beta": -0.706,299 "se": null,300 "t": null,301 "p": null,302 "p_stars": "*",303 "ci_lo": null,304 "ci_hi": null,305 "page": 14,306 "confidence": "medium",307 "notes": "House type dummy; * significant at 5% level; no SE reported"308 },309 {310 "model_id": "TA1-c2",311 "var_name_printed": "House type: other",312 "taxonomy_id": "dwelling_type",313 "x_transform": "binary",314 "x_unit": "binary",315 "beta": -0.611,316 "se": null,317 "t": null,318 "p": null,319 "p_stars": "*",320 "ci_lo": null,321 "ci_hi": null,322 "page": 14,323 "confidence": "medium",324 "notes": "House type dummy; * significant at 5% level; no SE reported"325 },326 {327 "model_id": "TA1-c3",328 "var_name_printed": "House type: other",329 "taxonomy_id": "dwelling_type",330 "x_transform": "binary",331 "x_unit": "binary",332 "beta": 0.06,333 "se": null,334 "t": null,335 "p": null,336 "p_stars": "",337 "ci_lo": null,338 "ci_hi": null,339 "page": 14,340 "confidence": "medium",341 "notes": "House type dummy; '+' = not significant at 5%; no SE reported"342 },343 {344 "model_id": "TA1-c4",345 "var_name_printed": "House type: other",346 "taxonomy_id": "dwelling_type",347 "x_transform": "binary",348 "x_unit": "binary",349 "beta": 0.208,350 "se": null,351 "t": null,352 "p": null,353 "p_stars": "",354 "ci_lo": null,355 "ci_hi": null,356 "page": 14,357 "confidence": "medium",358 "notes": "House type dummy; '+' = not significant at 5%; no SE reported"359 },360 {361 "model_id": "TA1-c1",362 "var_name_printed": "Site area",363 "taxonomy_id": "lot_size",364 "x_transform": "level",365 "x_unit": "m2",366 "beta": 0.009,367 "se": null,368 "t": null,369 "p": null,370 "p_stars": "*",371 "ci_lo": null,372 "ci_hi": null,373 "page": 14,374 "confidence": "medium",375 "notes": "Site (lot) area in m2; Gangjin-gun coefficient rounds to 0.000; * significant at 5% level; no SE reported"376 },377 {378 "model_id": "TA1-c2",379 "var_name_printed": "Site area",380 "taxonomy_id": "lot_size",381 "x_transform": "level",382 "x_unit": "m2",383 "beta": 0.009,384 "se": null,385 "t": null,386 "p": null,387 "p_stars": "*",388 "ci_lo": null,389 "ci_hi": null,390 "page": 14,391 "confidence": "medium",392 "notes": "Site (lot) area in m2; Gangjin-gun coefficient rounds to 0.000; * significant at 5% level; no SE reported"393 },394 {395 "model_id": "TA1-c3",396 "var_name_printed": "Site area",397 "taxonomy_id": "lot_size",398 "x_transform": "level",399 "x_unit": "m2",400 "beta": 0.0,401 "se": null,402 "t": null,403 "p": null,404 "p_stars": "*",405 "ci_lo": null,406 "ci_hi": null,407 "page": 14,408 "confidence": "medium",409 "notes": "Site (lot) area in m2; Gangjin-gun coefficient rounds to 0.000; * significant at 5% level; no SE reported"410 },411 {412 "model_id": "TA1-c4",413 "var_name_printed": "Site area",414 "taxonomy_id": "lot_size",415 "x_transform": "level",416 "x_unit": "m2",417 "beta": 0.0,418 "se": null,419 "t": null,420 "p": null,421 "p_stars": "*",422 "ci_lo": null,423 "ci_hi": null,424 "page": 14,425 "confidence": "medium",426 "notes": "Site (lot) area in m2; Gangjin-gun coefficient rounds to 0.000; * significant at 5% level; no SE reported"427 },428 {429 "model_id": "TA1-c1",430 "var_name_printed": "Floor area",431 "taxonomy_id": "living_area",432 "x_transform": "level",433 "x_unit": "m2",434 "beta": -0.001,435 "se": null,436 "t": null,437 "p": null,438 "p_stars": "*",439 "ci_lo": null,440 "ci_hi": null,441 "page": 14,442 "confidence": "medium",443 "notes": "Total floor area in m2; * significant at 5% level; no SE reported"444 },445 {446 "model_id": "TA1-c2",447 "var_name_printed": "Floor area",448 "taxonomy_id": "living_area",449 "x_transform": "level",450 "x_unit": "m2",451 "beta": -0.002,452 "se": null,453 "t": null,454 "p": null,455 "p_stars": "*",456 "ci_lo": null,457 "ci_hi": null,458 "page": 14,459 "confidence": "medium",460 "notes": "Total floor area in m2; * significant at 5% level; no SE reported"461 },462 {463 "model_id": "TA1-c3",464 "var_name_printed": "Floor area",465 "taxonomy_id": "living_area",466 "x_transform": "level",467 "x_unit": "m2",468 "beta": 0.001,469 "se": null,470 "t": null,471 "p": null,472 "p_stars": "*",473 "ci_lo": null,474 "ci_hi": null,475 "page": 14,476 "confidence": "medium",477 "notes": "Total floor area in m2; * significant at 5% level; no SE reported"478 },479 {480 "model_id": "TA1-c4",481 "var_name_printed": "Floor area",482 "taxonomy_id": "living_area",483 "x_transform": "level",484 "x_unit": "m2",485 "beta": 0.001,486 "se": null,487 "t": null,488 "p": null,489 "p_stars": "*",490 "ci_lo": null,491 "ci_hi": null,492 "page": 14,493 "confidence": "medium",494 "notes": "Total floor area in m2; * significant at 5% level; no SE reported"495 },496 {497 "model_id": "TA1-c1",498 "var_name_printed": "Story",499 "taxonomy_id": "storeys",500 "x_transform": "level",501 "x_unit": "count",502 "beta": 0.084,503 "se": null,504 "t": null,505 "p": null,506 "p_stars": "*",507 "ci_lo": null,508 "ci_hi": null,509 "page": 14,510 "confidence": "medium",511 "notes": "Number of floors; * significant at 5% level; no SE reported"512 },513 {514 "model_id": "TA1-c2",515 "var_name_printed": "Story",516 "taxonomy_id": "storeys",517 "x_transform": "level",518 "x_unit": "count",519 "beta": 0.087,520 "se": null,521 "t": null,522 "p": null,523 "p_stars": "*",524 "ci_lo": null,525 "ci_hi": null,526 "page": 14,527 "confidence": "medium",528 "notes": "Number of floors; * significant at 5% level; no SE reported"529 },530 {531 "model_id": "TA1-c3",532 "var_name_printed": "Story",533 "taxonomy_id": "storeys",534 "x_transform": "level",535 "x_unit": "count",536 "beta": 0.319,537 "se": null,538 "t": null,539 "p": null,540 "p_stars": "*",541 "ci_lo": null,542 "ci_hi": null,543 "page": 14,544 "confidence": "medium",545 "notes": "Number of floors; * significant at 5% level; no SE reported"546 },547 {548 "model_id": "TA1-c4",549 "var_name_printed": "Story",550 "taxonomy_id": "storeys",551 "x_transform": "level",552 "x_unit": "count",553 "beta": 0.118,554 "se": null,555 "t": null,556 "p": null,557 "p_stars": "",558 "ci_lo": null,559 "ci_hi": null,560 "page": 14,561 "confidence": "medium",562 "notes": "Number of floors; '+' = not significant at 5%; no SE reported"563 },564 {565 "model_id": "TA1-c1",566 "var_name_printed": "Road: middle",567 "taxonomy_id": "other",568 "x_transform": "binary",569 "x_unit": "binary",570 "beta": 0.204,571 "se": null,572 "t": null,573 "p": null,574 "p_stars": "*",575 "ci_lo": null,576 "ci_hi": null,577 "page": 14,578 "confidence": "medium",579 "notes": "Adjacent road width category (base: main road); * significant at 5% level; no SE reported"580 },581 {582 "model_id": "TA1-c2",583 "var_name_printed": "Road: middle",584 "taxonomy_id": "other",585 "x_transform": "binary",586 "x_unit": "binary",587 "beta": 0.204,588 "se": null,589 "t": null,590 "p": null,591 "p_stars": "*",592 "ci_lo": null,593 "ci_hi": null,594 "page": 14,595 "confidence": "medium",596 "notes": "Adjacent road width category (base: main road); * significant at 5% level; no SE reported"597 },598 {599 "model_id": "TA1-c3",600 "var_name_printed": "Road: middle",601 "taxonomy_id": "other",602 "x_transform": "binary",603 "x_unit": "binary",604 "beta": 0.334,605 "se": null,606 "t": null,607 "p": null,608 "p_stars": "",609 "ci_lo": null,610 "ci_hi": null,611 "page": 14,612 "confidence": "medium",613 "notes": "Adjacent road width category (base: main road); '+' = not significant at 5%; no SE reported"614 },615 {616 "model_id": "TA1-c4",617 "var_name_printed": "Road: middle",618 "taxonomy_id": "other",619 "x_transform": "binary",620 "x_unit": "binary",621 "beta": 0.44,622 "se": null,623 "t": null,624 "p": null,625 "p_stars": "",626 "ci_lo": null,627 "ci_hi": null,628 "page": 14,629 "confidence": "medium",630 "notes": "Adjacent road width category (base: main road); '+' = not significant at 5%; no SE reported"631 },632 {633 "model_id": "TA1-c1",634 "var_name_printed": "Road: narrow",635 "taxonomy_id": "other",636 "x_transform": "binary",637 "x_unit": "binary",638 "beta": 0.184,639 "se": null,640 "t": null,641 "p": null,642 "p_stars": "*",643 "ci_lo": null,644 "ci_hi": null,645 "page": 14,646 "confidence": "medium",647 "notes": "Adjacent road width category; * significant at 5% level; no SE reported"648 },649 {650 "model_id": "TA1-c2",651 "var_name_printed": "Road: narrow",652 "taxonomy_id": "other",653 "x_transform": "binary",654 "x_unit": "binary",655 "beta": 0.226,656 "se": null,657 "t": null,658 "p": null,659 "p_stars": "*",660 "ci_lo": null,661 "ci_hi": null,662 "page": 14,663 "confidence": "medium",664 "notes": "Adjacent road width category; * significant at 5% level; no SE reported"665 },666 {667 "model_id": "TA1-c3",668 "var_name_printed": "Road: narrow",669 "taxonomy_id": "other",670 "x_transform": "binary",671 "x_unit": "binary",672 "beta": -0.295,673 "se": null,674 "t": null,675 "p": null,676 "p_stars": "",677 "ci_lo": null,678 "ci_hi": null,679 "page": 14,680 "confidence": "medium",681 "notes": "Adjacent road width category; '+' = not significant at 5%; no SE reported"682 },683 {684 "model_id": "TA1-c4",685 "var_name_printed": "Road: narrow",686 "taxonomy_id": "other",687 "x_transform": "binary",688 "x_unit": "binary",689 "beta": -0.022,690 "se": null,691 "t": null,692 "p": null,693 "p_stars": "",694 "ci_lo": null,695 "ci_hi": null,696 "page": 14,697 "confidence": "medium",698 "notes": "Adjacent road width category; '+' = not significant at 5%; no SE reported"699 },700 {701 "model_id": "TA1-c1",702 "var_name_printed": "Road: narrower",703 "taxonomy_id": "other",704 "x_transform": "binary",705 "x_unit": "binary",706 "beta": 0.288,707 "se": null,708 "t": null,709 "p": null,710 "p_stars": "*",711 "ci_lo": null,712 "ci_hi": null,713 "page": 14,714 "confidence": "medium",715 "notes": "Adjacent road width category; * significant at 5% level; no SE reported"716 },717 {718 "model_id": "TA1-c2",719 "var_name_printed": "Road: narrower",720 "taxonomy_id": "other",721 "x_transform": "binary",722 "x_unit": "binary",723 "beta": 0.314,724 "se": null,725 "t": null,726 "p": null,727 "p_stars": "*",728 "ci_lo": null,729 "ci_hi": null,730 "page": 14,731 "confidence": "medium",732 "notes": "Adjacent road width category; * significant at 5% level; no SE reported"733 },734 {735 "model_id": "TA1-c3",736 "var_name_printed": "Road: narrower",737 "taxonomy_id": "other",738 "x_transform": "binary",739 "x_unit": "binary",740 "beta": -0.696,741 "se": null,742 "t": null,743 "p": null,744 "p_stars": "",745 "ci_lo": null,746 "ci_hi": null,747 "page": 14,748 "confidence": "medium",749 "notes": "Adjacent road width category; '+' = not significant at 5%; no SE reported"750 },751 {752 "model_id": "TA1-c4",753 "var_name_printed": "Road: narrower",754 "taxonomy_id": "other",755 "x_transform": "binary",756 "x_unit": "binary",757 "beta": -0.206,758 "se": null,759 "t": null,760 "p": null,761 "p_stars": "",762 "ci_lo": null,763 "ci_hi": null,764 "page": 14,765 "confidence": "medium",766 "notes": "Adjacent road width category; '+' = not significant at 5%; no SE reported"767 },768 {769 "model_id": "TA1-c1",770 "var_name_printed": "Road: narrowest",771 "taxonomy_id": "other",772 "x_transform": "binary",773 "x_unit": "binary",774 "beta": 0.12,775 "se": null,776 "t": null,777 "p": null,778 "p_stars": "",779 "ci_lo": null,780 "ci_hi": null,781 "page": 14,782 "confidence": "medium",783 "notes": "Adjacent road width category; '+' = not significant at 5%; no SE reported"784 },785 {786 "model_id": "TA1-c2",787 "var_name_printed": "Road: narrowest",788 "taxonomy_id": "other",789 "x_transform": "binary",790 "x_unit": "binary",791 "beta": 0.177,792 "se": null,793 "t": null,794 "p": null,795 "p_stars": "*",796 "ci_lo": null,797 "ci_hi": null,798 "page": 14,799 "confidence": "medium",800 "notes": "Adjacent road width category; * significant at 5% level; no SE reported"801 },802 {803 "model_id": "TA1-c3",804 "var_name_printed": "Road: narrowest",805 "taxonomy_id": "other",806 "x_transform": "binary",807 "x_unit": "binary",808 "beta": -0.654,809 "se": null,810 "t": null,811 "p": null,812 "p_stars": "",813 "ci_lo": null,814 "ci_hi": null,815 "page": 14,816 "confidence": "medium",817 "notes": "Adjacent road width category; '+' = not significant at 5%; no SE reported"818 },819 {820 "model_id": "TA1-c4",821 "var_name_printed": "Road: narrowest",822 "taxonomy_id": "other",823 "x_transform": "binary",824 "x_unit": "binary",825 "beta": -0.195,826 "se": null,827 "t": null,828 "p": null,829 "p_stars": "",830 "ci_lo": null,831 "ci_hi": null,832 "page": 14,833 "confidence": "medium",834 "notes": "Adjacent road width category; '+' = not significant at 5%; no SE reported"835 },836 {837 "model_id": "TA1-c1",838 "var_name_printed": "Site shape: regular",839 "taxonomy_id": "other",840 "x_transform": "binary",841 "x_unit": "binary",842 "beta": 0.144,843 "se": null,844 "t": null,845 "p": null,846 "p_stars": "*",847 "ci_lo": null,848 "ci_hi": null,849 "page": 14,850 "confidence": "medium",851 "notes": "Regular (vs irregular) site shape; * significant at 5% level; no SE reported"852 },853 {854 "model_id": "TA1-c2",855 "var_name_printed": "Site shape: regular",856 "taxonomy_id": "other",857 "x_transform": "binary",858 "x_unit": "binary",859 "beta": 0.136,860 "se": null,861 "t": null,862 "p": null,863 "p_stars": "*",864 "ci_lo": null,865 "ci_hi": null,866 "page": 14,867 "confidence": "medium",868 "notes": "Regular (vs irregular) site shape; * significant at 5% level; no SE reported"869 },870 {871 "model_id": "TA1-c3",872 "var_name_printed": "Site shape: regular",873 "taxonomy_id": "other",874 "x_transform": "binary",875 "x_unit": "binary",876 "beta": 0.204,877 "se": null,878 "t": null,879 "p": null,880 "p_stars": "*",881 "ci_lo": null,882 "ci_hi": null,883 "page": 14,884 "confidence": "medium",885 "notes": "Regular (vs irregular) site shape; * significant at 5% level; no SE reported"886 },887 {888 "model_id": "TA1-c4",889 "var_name_printed": "Site shape: regular",890 "taxonomy_id": "other",891 "x_transform": "binary",892 "x_unit": "binary",893 "beta": 0.108,894 "se": null,895 "t": null,896 "p": null,897 "p_stars": "*",898 "ci_lo": null,899 "ci_hi": null,900 "page": 14,901 "confidence": "medium",902 "notes": "Regular (vs irregular) site shape; * significant at 5% level; no SE reported"903 },904 {905 "model_id": "TA1-c1",906 "var_name_printed": "Building frame: brick",907 "taxonomy_id": "roof_materials",908 "x_transform": "binary",909 "x_unit": "binary",910 "beta": 0.246,911 "se": null,912 "t": null,913 "p": null,914 "p_stars": "*",915 "ci_lo": null,916 "ci_hi": null,917 "page": 14,918 "confidence": "medium",919 "notes": "Building frame material dummy (base category not stated); * significant at 5% level; no SE reported"920 },921 {922 "model_id": "TA1-c2",923 "var_name_printed": "Building frame: brick",924 "taxonomy_id": "roof_materials",925 "x_transform": "binary",926 "x_unit": "binary",927 "beta": 0.284,928 "se": null,929 "t": null,930 "p": null,931 "p_stars": "*",932 "ci_lo": null,933 "ci_hi": null,934 "page": 14,935 "confidence": "medium",936 "notes": "Building frame material dummy (base category not stated); * significant at 5% level; no SE reported"937 },938 {939 "model_id": "TA1-c3",940 "var_name_printed": "Building frame: brick",941 "taxonomy_id": "roof_materials",942 "x_transform": "binary",943 "x_unit": "binary",944 "beta": 0.792,945 "se": null,946 "t": null,947 "p": null,948 "p_stars": "*",949 "ci_lo": null,950 "ci_hi": null,951 "page": 14,952 "confidence": "medium",953 "notes": "Building frame material dummy (base category not stated); * significant at 5% level; no SE reported"954 },955 {956 "model_id": "TA1-c4",957 "var_name_printed": "Building frame: brick",958 "taxonomy_id": "roof_materials",959 "x_transform": "binary",960 "x_unit": "binary",961 "beta": 0.734,962 "se": null,963 "t": null,964 "p": null,965 "p_stars": "*",966 "ci_lo": null,967 "ci_hi": null,968 "page": 14,969 "confidence": "medium",970 "notes": "Building frame material dummy (base category not stated); * significant at 5% level; no SE reported"971 },972 {973 "model_id": "TA1-c1",974 "var_name_printed": "Building frame: RC",975 "taxonomy_id": "roof_materials",976 "x_transform": "binary",977 "x_unit": "binary",978 "beta": 0.375,979 "se": null,980 "t": null,981 "p": null,982 "p_stars": "*",983 "ci_lo": null,984 "ci_hi": null,985 "page": 14,986 "confidence": "medium",987 "notes": "Reinforced concrete frame; * significant at 5% level; no SE reported"988 },989 {990 "model_id": "TA1-c2",991 "var_name_printed": "Building frame: RC",992 "taxonomy_id": "roof_materials",993 "x_transform": "binary",994 "x_unit": "binary",995 "beta": 0.438,996 "se": null,997 "t": null,998 "p": null,999 "p_stars": "*",1000 "ci_lo": null,1001 "ci_hi": null,1002 "page": 14,1003 "confidence": "medium",1004 "notes": "Reinforced concrete frame; * significant at 5% level; no SE reported"1005 },1006 {1007 "model_id": "TA1-c3",1008 "var_name_printed": "Building frame: RC",1009 "taxonomy_id": "roof_materials",1010 "x_transform": "binary",1011 "x_unit": "binary",1012 "beta": 1.475,1013 "se": null,1014 "t": null,1015 "p": null,1016 "p_stars": "*",1017 "ci_lo": null,1018 "ci_hi": null,1019 "page": 14,1020 "confidence": "medium",1021 "notes": "Reinforced concrete frame; * significant at 5% level; no SE reported"1022 },1023 {1024 "model_id": "TA1-c4",1025 "var_name_printed": "Building frame: RC",1026 "taxonomy_id": "roof_materials",1027 "x_transform": "binary",1028 "x_unit": "binary",1029 "beta": 1.385,1030 "se": null,1031 "t": null,1032 "p": null,1033 "p_stars": "*",1034 "ci_lo": null,1035 "ci_hi": null,1036 "page": 14,1037 "confidence": "medium",1038 "notes": "Reinforced concrete frame; * significant at 5% level; no SE reported"1039 },1040 {1041 "model_id": "TA1-c1",1042 "var_name_printed": "Building frame: low quality wood",1043 "taxonomy_id": "roof_materials",1044 "x_transform": "binary",1045 "x_unit": "binary",1046 "beta": 0.197,1047 "se": null,1048 "t": null,1049 "p": null,1050 "p_stars": "",1051 "ci_lo": null,1052 "ci_hi": null,1053 "page": 14,1054 "confidence": "medium",1055 "notes": "Building frame material dummy; '+' = not significant at 5%; no SE reported"1056 },1057 {1058 "model_id": "TA1-c2",1059 "var_name_printed": "Building frame: low quality wood",1060 "taxonomy_id": "roof_materials",1061 "x_transform": "binary",1062 "x_unit": "binary",1063 "beta": 0.239,1064 "se": null,1065 "t": null,1066 "p": null,1067 "p_stars": "",1068 "ci_lo": null,1069 "ci_hi": null,1070 "page": 14,1071 "confidence": "medium",1072 "notes": "Building frame material dummy; '+' = not significant at 5%; no SE reported"1073 },1074 {1075 "model_id": "TA1-c3",1076 "var_name_printed": "Building frame: low quality wood",1077 "taxonomy_id": "roof_materials",1078 "x_transform": "binary",1079 "x_unit": "binary",1080 "beta": 0.153,1081 "se": null,1082 "t": null,1083 "p": null,1084 "p_stars": "*",1085 "ci_lo": null,1086 "ci_hi": null,1087 "page": 14,1088 "confidence": "medium",1089 "notes": "Building frame material dummy; * significant at 5% level; no SE reported"1090 },1091 {1092 "model_id": "TA1-c4",1093 "var_name_printed": "Building frame: low quality wood",1094 "taxonomy_id": "roof_materials",1095 "x_transform": "binary",1096 "x_unit": "binary",1097 "beta": 0.237,1098 "se": null,1099 "t": null,1100 "p": null,1101 "p_stars": "*",1102 "ci_lo": null,1103 "ci_hi": null,1104 "page": 14,1105 "confidence": "medium",1106 "notes": "Building frame material dummy; * significant at 5% level; no SE reported"1107 },1108 {1109 "model_id": "TA1-c3",1110 "var_name_printed": "Building frame: high quality wood",1111 "taxonomy_id": "roof_materials",1112 "x_transform": "binary",1113 "x_unit": "binary",1114 "beta": 1.73,1115 "se": null,1116 "t": null,1117 "p": null,1118 "p_stars": "*",1119 "ci_lo": null,1120 "ci_hi": null,1121 "page": 14,1122 "confidence": "medium",1123 "notes": "Building frame material dummy; * significant at 5% level; no SE reported"1124 },1125 {1126 "model_id": "TA1-c4",1127 "var_name_printed": "Building frame: high quality wood",1128 "taxonomy_id": "roof_materials",1129 "x_transform": "binary",1130 "x_unit": "binary",1131 "beta": 1.786,1132 "se": null,1133 "t": null,1134 "p": null,1135 "p_stars": "*",1136 "ci_lo": null,1137 "ci_hi": null,1138 "page": 14,1139 "confidence": "medium",1140 "notes": "Building frame material dummy; * significant at 5% level; no SE reported"1141 },1142 {1143 "model_id": "TA1-c3",1144 "var_name_printed": "Building frame: panel",1145 "taxonomy_id": "roof_materials",1146 "x_transform": "binary",1147 "x_unit": "binary",1148 "beta": 0.74,1149 "se": null,1150 "t": null,1151 "p": null,1152 "p_stars": "*",1153 "ci_lo": null,1154 "ci_hi": null,1155 "page": 14,1156 "confidence": "medium",1157 "notes": "Building frame material dummy; * significant at 5% level; no SE reported"1158 },1159 {1160 "model_id": "TA1-c4",1161 "var_name_printed": "Building frame: panel",1162 "taxonomy_id": "roof_materials",1163 "x_transform": "binary",1164 "x_unit": "binary",1165 "beta": 0.862,1166 "se": null,1167 "t": null,1168 "p": null,1169 "p_stars": "*",1170 "ci_lo": null,1171 "ci_hi": null,1172 "page": 14,1173 "confidence": "medium",1174 "notes": "Building frame material dummy; * significant at 5% level; no SE reported"1175 },1176 {1177 "model_id": "TA1-c3",1178 "var_name_printed": "Building frame: steel",1179 "taxonomy_id": "roof_materials",1180 "x_transform": "binary",1181 "x_unit": "binary",1182 "beta": 1.142,1183 "se": null,1184 "t": null,1185 "p": null,1186 "p_stars": "*",1187 "ci_lo": null,1188 "ci_hi": null,1189 "page": 14,1190 "confidence": "medium",1191 "notes": "Building frame material dummy; * significant at 5% level; no SE reported"1192 },1193 {1194 "model_id": "TA1-c4",1195 "var_name_printed": "Building frame: steel",1196 "taxonomy_id": "roof_materials",1197 "x_transform": "binary",1198 "x_unit": "binary",1199 "beta": 1.304,1200 "se": null,1201 "t": null,1202 "p": null,1203 "p_stars": "*",1204 "ci_lo": null,1205 "ci_hi": null,1206 "page": 14,1207 "confidence": "medium",1208 "notes": "Building frame material dummy; * significant at 5% level; no SE reported"1209 },1210 {1211 "model_id": "TA1-c1",1212 "var_name_printed": "Property age",1213 "taxonomy_id": "age",1214 "x_transform": "level",1215 "x_unit": "years",1216 "beta": -0.005,1217 "se": null,1218 "t": null,1219 "p": null,1220 "p_stars": "*",1221 "ci_lo": null,1222 "ci_hi": null,1223 "page": 14,1224 "confidence": "medium",1225 "notes": "Years since construction; * significant at 5% level; no SE reported"1226 },1227 {1228 "model_id": "TA1-c2",1229 "var_name_printed": "Property age",1230 "taxonomy_id": "age",1231 "x_transform": "level",1232 "x_unit": "years",1233 "beta": -0.005,1234 "se": null,1235 "t": null,1236 "p": null,1237 "p_stars": "*",1238 "ci_lo": null,1239 "ci_hi": null,1240 "page": 14,1241 "confidence": "medium",1242 "notes": "Years since construction; * significant at 5% level; no SE reported"1243 },1244 {1245 "model_id": "TA1-c3",1246 "var_name_printed": "Property age",1247 "taxonomy_id": "age",1248 "x_transform": "level",1249 "x_unit": "years",1250 "beta": -0.01,1251 "se": null,1252 "t": null,1253 "p": null,1254 "p_stars": "*",1255 "ci_lo": null,1256 "ci_hi": null,1257 "page": 14,1258 "confidence": "medium",1259 "notes": "Years since construction; * significant at 5% level; no SE reported"1260 },1261 {1262 "model_id": "TA1-c4",1263 "var_name_printed": "Property age",1264 "taxonomy_id": "age",1265 "x_transform": "level",1266 "x_unit": "years",1267 "beta": -0.011,1268 "se": null,1269 "t": null,1270 "p": null,1271 "p_stars": "*",1272 "ci_lo": null,1273 "ci_hi": null,1274 "page": 14,1275 "confidence": "medium",1276 "notes": "Years since construction; * significant at 5% level; no SE reported"1277 },1278 {1279 "model_id": "TA1-c1",1280 "var_name_printed": "House bearing: south",1281 "taxonomy_id": "sunlight",1282 "x_transform": "binary",1283 "x_unit": "binary",1284 "beta": -0.063,1285 "se": null,1286 "t": null,1287 "p": null,1288 "p_stars": "*",1289 "ci_lo": null,1290 "ci_hi": null,1291 "page": 14,1292 "confidence": "medium",1293 "notes": "1 = house faces south; * significant at 5% level; no SE reported"1294 },1295 {1296 "model_id": "TA1-c2",1297 "var_name_printed": "House bearing: south",1298 "taxonomy_id": "sunlight",1299 "x_transform": "binary",1300 "x_unit": "binary",1301 "beta": -0.038,1302 "se": null,1303 "t": null,1304 "p": null,1305 "p_stars": "",1306 "ci_lo": null,1307 "ci_hi": null,1308 "page": 14,1309 "confidence": "medium",1310 "notes": "1 = house faces south; '+' = not significant at 5%; no SE reported"1311 },1312 {1313 "model_id": "TA1-c3",1314 "var_name_printed": "House bearing: south",1315 "taxonomy_id": "sunlight",1316 "x_transform": "binary",1317 "x_unit": "binary",1318 "beta": 0.021,1319 "se": null,1320 "t": null,1321 "p": null,1322 "p_stars": "",1323 "ci_lo": null,1324 "ci_hi": null,1325 "page": 14,1326 "confidence": "medium",1327 "notes": "1 = house faces south; '+' = not significant at 5%; no SE reported"1328 },1329 {1330 "model_id": "TA1-c4",1331 "var_name_printed": "House bearing: south",1332 "taxonomy_id": "sunlight",1333 "x_transform": "binary",1334 "x_unit": "binary",1335 "beta": 0.051,1336 "se": null,1337 "t": null,1338 "p": null,1339 "p_stars": "",1340 "ci_lo": null,1341 "ci_hi": null,1342 "page": 14,1343 "confidence": "medium",1344 "notes": "1 = house faces south; '+' = not significant at 5%; no SE reported"1345 },1346 {1347 "model_id": "TA1-c2",1348 "var_name_printed": "Embedding component 1",1349 "taxonomy_id": "multimodal_embedding",1350 "x_transform": "level",1351 "x_unit": "index",1352 "beta": -0.265,1353 "se": null,1354 "t": null,1355 "p": null,1356 "p_stars": "*",1357 "ci_lo": null,1358 "ci_hi": null,1359 "page": 14,1360 "confidence": "medium",1361 "notes": "First PCA component (22% variance) of 768-dim sentence embedding (paraphrase-mpnet-base-v2) of the house's environmental description; text-derived (AI) variable; * significant at 5% level; no SE reported"1362 },1363 {1364 "model_id": "TA1-c4",1365 "var_name_printed": "Embedding component 1",1366 "taxonomy_id": "multimodal_embedding",1367 "x_transform": "level",1368 "x_unit": "index",1369 "beta": -0.393,1370 "se": null,1371 "t": null,1372 "p": null,1373 "p_stars": "*",1374 "ci_lo": null,1375 "ci_hi": null,1376 "page": 14,1377 "confidence": "medium",1378 "notes": "First PCA component (22% variance) of 768-dim sentence embedding (paraphrase-mpnet-base-v2) of the house's environmental description; text-derived (AI) variable; * significant at 5% level; no SE reported"1379 },1380 {1381 "model_id": "TA1-c2",1382 "var_name_printed": "Embedding component 2",1383 "taxonomy_id": "multimodal_embedding",1384 "x_transform": "level",1385 "x_unit": "index",1386 "beta": 0.592,1387 "se": null,1388 "t": null,1389 "p": null,1390 "p_stars": "*",1391 "ci_lo": null,1392 "ci_hi": null,1393 "page": 14,1394 "confidence": "medium",1395 "notes": "Second PCA component (15% variance) of sentence embedding of environmental description; text-derived (AI) variable; * significant at 5% level; no SE reported"1396 },1397 {1398 "model_id": "TA1-c4",1399 "var_name_printed": "Embedding component 2",1400 "taxonomy_id": "multimodal_embedding",1401 "x_transform": "level",1402 "x_unit": "index",1403 "beta": -0.09,1404 "se": null,1405 "t": null,1406 "p": null,1407 "p_stars": "*",1408 "ci_lo": null,1409 "ci_hi": null,1410 "page": 14,1411 "confidence": "medium",1412 "notes": "Second PCA component (15% variance) of sentence embedding of environmental description; text-derived (AI) variable; * significant at 5% level; no SE reported"1413 }1414 ]1415}